COLCOTHAR

Etymology

Noun

colcothar (countable and uncountable, plural colcothars)

(organic compound, obsolete) Polishing rouge; a reddish-brown oxide of iron, used in polishing glass, and also as a pigment; crocus Martis.

Anagrams

• ochlocrat

Source: Wiktionary


Col"co*thar, n. Etym: [NL. colcothar vitrioli, fr. Ar. qolqotar.] (Chem.)

Definition: Polishing rouge; a reddish brown oxide of iron, used in polishing glass, and also as a pigment; -- called also crocus Martis.

Source: Webster’s Unabridged Dictionary 1913 Edition



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